usb: gadget: Gadget directory cleanup - group usb functions

The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the USB functions implementations into a separate directory.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 0 insertions, 1190 deletions

diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
deleted file mode 100644
index 95d2324f6977..000000000000
--- a/drivers/usb/gadget/rndis.c
+++ /dev/null
@@ -1,1190 +0,0 @@
-/*
- * RNDIS MSG parser
- *
- * Authors:	Benedikt Spranger, Pengutronix
- *		Robert Schwebel, Pengutronix
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              version 2, as published by the Free Software Foundation.
- *
- *		This software was originally developed in conformance with
- *		Microsoft's Remote NDIS Specification License Agreement.
- *
- * 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
- *		Fixed message length bug in init_response
- *
- * 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
- *		Fixed rndis_rm_hdr length bug.
- *
- * Copyright (C) 2004 by David Brownell
- *		updates to merge with Linux 2.6, better match RNDIS spec
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/list.h>
-#include <linux/proc_fs.h>
-#include <linux/slab.h>
-#include <linux/seq_file.h>
-#include <linux/netdevice.h>
-
-#include <asm/io.h>
-#include <asm/byteorder.h>
-#include <asm/unaligned.h>
-
-#include "u_rndis.h"
-
-#undef	VERBOSE_DEBUG
-
-#include "rndis.h"
-
-
-/* The driver for your USB chip needs to support ep0 OUT to work with
- * RNDIS, plus all three CDC Ethernet endpoints (interrupt not optional).
- *
- * Windows hosts need an INF file like Documentation/usb/linux.inf
- * and will be happier if you provide the host_addr module parameter.
- */
-
-#if 0
-static int rndis_debug = 0;
-module_param (rndis_debug, int, 0);
-MODULE_PARM_DESC (rndis_debug, "enable debugging");
-#else
-#define rndis_debug		0
-#endif
-
-#define RNDIS_MAX_CONFIGS	1
-
-
-static rndis_params rndis_per_dev_params[RNDIS_MAX_CONFIGS];
-
-/* Driver Version */
-static const __le32 rndis_driver_version = cpu_to_le32(1);
-
-/* Function Prototypes */
-static rndis_resp_t *rndis_add_response(int configNr, u32 length);
-
-
-/* supported OIDs */
-static const u32 oid_supported_list[] =
-{
-	/* the general stuff */
-	RNDIS_OID_GEN_SUPPORTED_LIST,
-	RNDIS_OID_GEN_HARDWARE_STATUS,
-	RNDIS_OID_GEN_MEDIA_SUPPORTED,
-	RNDIS_OID_GEN_MEDIA_IN_USE,
-	RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE,
-	RNDIS_OID_GEN_LINK_SPEED,
-	RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE,
-	RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE,
-	RNDIS_OID_GEN_VENDOR_ID,
-	RNDIS_OID_GEN_VENDOR_DESCRIPTION,
-	RNDIS_OID_GEN_VENDOR_DRIVER_VERSION,
-	RNDIS_OID_GEN_CURRENT_PACKET_FILTER,
-	RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE,
-	RNDIS_OID_GEN_MEDIA_CONNECT_STATUS,
-	RNDIS_OID_GEN_PHYSICAL_MEDIUM,
-
-	/* the statistical stuff */
-	RNDIS_OID_GEN_XMIT_OK,
-	RNDIS_OID_GEN_RCV_OK,
-	RNDIS_OID_GEN_XMIT_ERROR,
-	RNDIS_OID_GEN_RCV_ERROR,
-	RNDIS_OID_GEN_RCV_NO_BUFFER,
-#ifdef	RNDIS_OPTIONAL_STATS
-	RNDIS_OID_GEN_DIRECTED_BYTES_XMIT,
-	RNDIS_OID_GEN_DIRECTED_FRAMES_XMIT,
-	RNDIS_OID_GEN_MULTICAST_BYTES_XMIT,
-	RNDIS_OID_GEN_MULTICAST_FRAMES_XMIT,
-	RNDIS_OID_GEN_BROADCAST_BYTES_XMIT,
-	RNDIS_OID_GEN_BROADCAST_FRAMES_XMIT,
-	RNDIS_OID_GEN_DIRECTED_BYTES_RCV,
-	RNDIS_OID_GEN_DIRECTED_FRAMES_RCV,
-	RNDIS_OID_GEN_MULTICAST_BYTES_RCV,
-	RNDIS_OID_GEN_MULTICAST_FRAMES_RCV,
-	RNDIS_OID_GEN_BROADCAST_BYTES_RCV,
-	RNDIS_OID_GEN_BROADCAST_FRAMES_RCV,
-	RNDIS_OID_GEN_RCV_CRC_ERROR,
-	RNDIS_OID_GEN_TRANSMIT_QUEUE_LENGTH,
-#endif	/* RNDIS_OPTIONAL_STATS */
-
-	/* mandatory 802.3 */
-	/* the general stuff */
-	RNDIS_OID_802_3_PERMANENT_ADDRESS,
-	RNDIS_OID_802_3_CURRENT_ADDRESS,
-	RNDIS_OID_802_3_MULTICAST_LIST,
-	RNDIS_OID_802_3_MAC_OPTIONS,
-	RNDIS_OID_802_3_MAXIMUM_LIST_SIZE,
-
-	/* the statistical stuff */
-	RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT,
-	RNDIS_OID_802_3_XMIT_ONE_COLLISION,
-	RNDIS_OID_802_3_XMIT_MORE_COLLISIONS,
-#ifdef	RNDIS_OPTIONAL_STATS
-	RNDIS_OID_802_3_XMIT_DEFERRED,
-	RNDIS_OID_802_3_XMIT_MAX_COLLISIONS,
-	RNDIS_OID_802_3_RCV_OVERRUN,
-	RNDIS_OID_802_3_XMIT_UNDERRUN,
-	RNDIS_OID_802_3_XMIT_HEARTBEAT_FAILURE,
-	RNDIS_OID_802_3_XMIT_TIMES_CRS_LOST,
-	RNDIS_OID_802_3_XMIT_LATE_COLLISIONS,
-#endif	/* RNDIS_OPTIONAL_STATS */
-
-#ifdef	RNDIS_PM
-	/* PM and wakeup are "mandatory" for USB, but the RNDIS specs
-	 * don't say what they mean ... and the NDIS specs are often
-	 * confusing and/or ambiguous in this context.  (That is, more
-	 * so than their specs for the other OIDs.)
-	 *
-	 * FIXME someone who knows what these should do, please
-	 * implement them!
-	 */
-
-	/* power management */
-	OID_PNP_CAPABILITIES,
-	OID_PNP_QUERY_POWER,
-	OID_PNP_SET_POWER,
-
-#ifdef	RNDIS_WAKEUP
-	/* wake up host */
-	OID_PNP_ENABLE_WAKE_UP,
-	OID_PNP_ADD_WAKE_UP_PATTERN,
-	OID_PNP_REMOVE_WAKE_UP_PATTERN,
-#endif	/* RNDIS_WAKEUP */
-#endif	/* RNDIS_PM */
-};
-
-
-/* NDIS Functions */
-static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf,
-			       unsigned buf_len, rndis_resp_t *r)
-{
-	int retval = -ENOTSUPP;
-	u32 length = 4;	/* usually */
-	__le32 *outbuf;
-	int i, count;
-	rndis_query_cmplt_type *resp;
-	struct net_device *net;
-	struct rtnl_link_stats64 temp;
-	const struct rtnl_link_stats64 *stats;
-
-	if (!r) return -ENOMEM;
-	resp = (rndis_query_cmplt_type *)r->buf;
-
-	if (!resp) return -ENOMEM;
-
-	if (buf_len && rndis_debug > 1) {
-		pr_debug("query OID %08x value, len %d:\n", OID, buf_len);
-		for (i = 0; i < buf_len; i += 16) {
-			pr_debug("%03d: %08x %08x %08x %08x\n", i,
-				get_unaligned_le32(&buf[i]),
-				get_unaligned_le32(&buf[i + 4]),
-				get_unaligned_le32(&buf[i + 8]),
-				get_unaligned_le32(&buf[i + 12]));
-		}
-	}
-
-	/* response goes here, right after the header */
-	outbuf = (__le32 *)&resp[1];
-	resp->InformationBufferOffset = cpu_to_le32(16);
-
-	net = rndis_per_dev_params[configNr].dev;
-	stats = dev_get_stats(net, &temp);
-
-	switch (OID) {
-
-	/* general oids (table 4-1) */
-
-	/* mandatory */
-	case RNDIS_OID_GEN_SUPPORTED_LIST:
-		pr_debug("%s: RNDIS_OID_GEN_SUPPORTED_LIST\n", __func__);
-		length = sizeof(oid_supported_list);
-		count  = length / sizeof(u32);
-		for (i = 0; i < count; i++)
-			outbuf[i] = cpu_to_le32(oid_supported_list[i]);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_HARDWARE_STATUS:
-		pr_debug("%s: RNDIS_OID_GEN_HARDWARE_STATUS\n", __func__);
-		/* Bogus question!
-		 * Hardware must be ready to receive high level protocols.
-		 * BTW:
-		 * reddite ergo quae sunt Caesaris Caesari
-		 * et quae sunt Dei Deo!
-		 */
-		*outbuf = cpu_to_le32(0);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_MEDIA_SUPPORTED:
-		pr_debug("%s: RNDIS_OID_GEN_MEDIA_SUPPORTED\n", __func__);
-		*outbuf = cpu_to_le32(rndis_per_dev_params[configNr].medium);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_MEDIA_IN_USE:
-		pr_debug("%s: RNDIS_OID_GEN_MEDIA_IN_USE\n", __func__);
-		/* one medium, one transport... (maybe you do it better) */
-		*outbuf = cpu_to_le32(rndis_per_dev_params[configNr].medium);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE:
-		pr_debug("%s: RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__);
-		if (rndis_per_dev_params[configNr].dev) {
-			*outbuf = cpu_to_le32(
-				rndis_per_dev_params[configNr].dev->mtu);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_LINK_SPEED:
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_OID_GEN_LINK_SPEED\n", __func__);
-		if (rndis_per_dev_params[configNr].media_state
-				== RNDIS_MEDIA_STATE_DISCONNECTED)
-			*outbuf = cpu_to_le32(0);
-		else
-			*outbuf = cpu_to_le32(
-				rndis_per_dev_params[configNr].speed);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE:
-		pr_debug("%s: RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__);
-		if (rndis_per_dev_params[configNr].dev) {
-			*outbuf = cpu_to_le32(
-				rndis_per_dev_params[configNr].dev->mtu);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE:
-		pr_debug("%s: RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__);
-		if (rndis_per_dev_params[configNr].dev) {
-			*outbuf = cpu_to_le32(
-				rndis_per_dev_params[configNr].dev->mtu);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_VENDOR_ID:
-		pr_debug("%s: RNDIS_OID_GEN_VENDOR_ID\n", __func__);
-		*outbuf = cpu_to_le32(
-			rndis_per_dev_params[configNr].vendorID);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_VENDOR_DESCRIPTION:
-		pr_debug("%s: RNDIS_OID_GEN_VENDOR_DESCRIPTION\n", __func__);
-		if (rndis_per_dev_params[configNr].vendorDescr) {
-			length = strlen(rndis_per_dev_params[configNr].
-					vendorDescr);
-			memcpy(outbuf,
-				rndis_per_dev_params[configNr].vendorDescr,
-				length);
-		} else {
-			outbuf[0] = 0;
-		}
-		retval = 0;
-		break;
-
-	case RNDIS_OID_GEN_VENDOR_DRIVER_VERSION:
-		pr_debug("%s: RNDIS_OID_GEN_VENDOR_DRIVER_VERSION\n", __func__);
-		/* Created as LE */
-		*outbuf = rndis_driver_version;
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_CURRENT_PACKET_FILTER:
-		pr_debug("%s: RNDIS_OID_GEN_CURRENT_PACKET_FILTER\n", __func__);
-		*outbuf = cpu_to_le32(*rndis_per_dev_params[configNr].filter);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE:
-		pr_debug("%s: RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__);
-		*outbuf = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_MEDIA_CONNECT_STATUS:
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_OID_GEN_MEDIA_CONNECT_STATUS\n", __func__);
-		*outbuf = cpu_to_le32(rndis_per_dev_params[configNr]
-						.media_state);
-		retval = 0;
-		break;
-
-	case RNDIS_OID_GEN_PHYSICAL_MEDIUM:
-		pr_debug("%s: RNDIS_OID_GEN_PHYSICAL_MEDIUM\n", __func__);
-		*outbuf = cpu_to_le32(0);
-		retval = 0;
-		break;
-
-	/* The RNDIS specification is incomplete/wrong.   Some versions
-	 * of MS-Windows expect OIDs that aren't specified there.  Other
-	 * versions emit undefined RNDIS messages. DOCUMENT ALL THESE!
-	 */
-	case RNDIS_OID_GEN_MAC_OPTIONS:		/* from WinME */
-		pr_debug("%s: RNDIS_OID_GEN_MAC_OPTIONS\n", __func__);
-		*outbuf = cpu_to_le32(
-			  RNDIS_MAC_OPTION_RECEIVE_SERIALIZED
-			| RNDIS_MAC_OPTION_FULL_DUPLEX);
-		retval = 0;
-		break;
-
-	/* statistics OIDs (table 4-2) */
-
-	/* mandatory */
-	case RNDIS_OID_GEN_XMIT_OK:
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_OID_GEN_XMIT_OK\n", __func__);
-		if (stats) {
-			*outbuf = cpu_to_le32(stats->tx_packets
-				- stats->tx_errors - stats->tx_dropped);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_RCV_OK:
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_OID_GEN_RCV_OK\n", __func__);
-		if (stats) {
-			*outbuf = cpu_to_le32(stats->rx_packets
-				- stats->rx_errors - stats->rx_dropped);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_XMIT_ERROR:
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_OID_GEN_XMIT_ERROR\n", __func__);
-		if (stats) {
-			*outbuf = cpu_to_le32(stats->tx_errors);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_RCV_ERROR:
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_OID_GEN_RCV_ERROR\n", __func__);
-		if (stats) {
-			*outbuf = cpu_to_le32(stats->rx_errors);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_GEN_RCV_NO_BUFFER:
-		pr_debug("%s: RNDIS_OID_GEN_RCV_NO_BUFFER\n", __func__);
-		if (stats) {
-			*outbuf = cpu_to_le32(stats->rx_dropped);
-			retval = 0;
-		}
-		break;
-
-	/* ieee802.3 OIDs (table 4-3) */
-
-	/* mandatory */
-	case RNDIS_OID_802_3_PERMANENT_ADDRESS:
-		pr_debug("%s: RNDIS_OID_802_3_PERMANENT_ADDRESS\n", __func__);
-		if (rndis_per_dev_params[configNr].dev) {
-			length = ETH_ALEN;
-			memcpy(outbuf,
-				rndis_per_dev_params[configNr].host_mac,
-				length);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_802_3_CURRENT_ADDRESS:
-		pr_debug("%s: RNDIS_OID_802_3_CURRENT_ADDRESS\n", __func__);
-		if (rndis_per_dev_params[configNr].dev) {
-			length = ETH_ALEN;
-			memcpy(outbuf,
-				rndis_per_dev_params [configNr].host_mac,
-				length);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_802_3_MULTICAST_LIST:
-		pr_debug("%s: RNDIS_OID_802_3_MULTICAST_LIST\n", __func__);
-		/* Multicast base address only */
-		*outbuf = cpu_to_le32(0xE0000000);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_802_3_MAXIMUM_LIST_SIZE:
-		pr_debug("%s: RNDIS_OID_802_3_MAXIMUM_LIST_SIZE\n", __func__);
-		/* Multicast base address only */
-		*outbuf = cpu_to_le32(1);
-		retval = 0;
-		break;
-
-	case RNDIS_OID_802_3_MAC_OPTIONS:
-		pr_debug("%s: RNDIS_OID_802_3_MAC_OPTIONS\n", __func__);
-		*outbuf = cpu_to_le32(0);
-		retval = 0;
-		break;
-
-	/* ieee802.3 statistics OIDs (table 4-4) */
-
-	/* mandatory */
-	case RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT:
-		pr_debug("%s: RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__);
-		if (stats) {
-			*outbuf = cpu_to_le32(stats->rx_frame_errors);
-			retval = 0;
-		}
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_802_3_XMIT_ONE_COLLISION:
-		pr_debug("%s: RNDIS_OID_802_3_XMIT_ONE_COLLISION\n", __func__);
-		*outbuf = cpu_to_le32(0);
-		retval = 0;
-		break;
-
-	/* mandatory */
-	case RNDIS_OID_802_3_XMIT_MORE_COLLISIONS:
-		pr_debug("%s: RNDIS_OID_802_3_XMIT_MORE_COLLISIONS\n", __func__);
-		*outbuf = cpu_to_le32(0);
-		retval = 0;
-		break;
-
-	default:
-		pr_warning("%s: query unknown OID 0x%08X\n",
-			 __func__, OID);
-	}
-	if (retval < 0)
-		length = 0;
-
-	resp->InformationBufferLength = cpu_to_le32(length);
-	r->length = length + sizeof(*resp);
-	resp->MessageLength = cpu_to_le32(r->length);
-	return retval;
-}
-
-static int gen_ndis_set_resp(u8 configNr, u32 OID, u8 *buf, u32 buf_len,
-			     rndis_resp_t *r)
-{
-	rndis_set_cmplt_type *resp;
-	int i, retval = -ENOTSUPP;
-	struct rndis_params *params;
-
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_set_cmplt_type *)r->buf;
-	if (!resp)
-		return -ENOMEM;
-
-	if (buf_len && rndis_debug > 1) {
-		pr_debug("set OID %08x value, len %d:\n", OID, buf_len);
-		for (i = 0; i < buf_len; i += 16) {
-			pr_debug("%03d: %08x %08x %08x %08x\n", i,
-				get_unaligned_le32(&buf[i]),
-				get_unaligned_le32(&buf[i + 4]),
-				get_unaligned_le32(&buf[i + 8]),
-				get_unaligned_le32(&buf[i + 12]));
-		}
-	}
-
-	params = &rndis_per_dev_params[configNr];
-	switch (OID) {
-	case RNDIS_OID_GEN_CURRENT_PACKET_FILTER:
-
-		/* these NDIS_PACKET_TYPE_* bitflags are shared with
-		 * cdc_filter; it's not RNDIS-specific
-		 * NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in:
-		 *	PROMISCUOUS, DIRECTED,
-		 *	MULTICAST, ALL_MULTICAST, BROADCAST
-		 */
-		*params->filter = (u16)get_unaligned_le32(buf);
-		pr_debug("%s: RNDIS_OID_GEN_CURRENT_PACKET_FILTER %08x\n",
-			__func__, *params->filter);
-
-		/* this call has a significant side effect:  it's
-		 * what makes the packet flow start and stop, like
-		 * activating the CDC Ethernet altsetting.
-		 */
-		retval = 0;
-		if (*params->filter) {
-			params->state = RNDIS_DATA_INITIALIZED;
-			netif_carrier_on(params->dev);
-			if (netif_running(params->dev))
-				netif_wake_queue(params->dev);
-		} else {
-			params->state = RNDIS_INITIALIZED;
-			netif_carrier_off(params->dev);
-			netif_stop_queue(params->dev);
-		}
-		break;
-
-	case RNDIS_OID_802_3_MULTICAST_LIST:
-		/* I think we can ignore this */
-		pr_debug("%s: RNDIS_OID_802_3_MULTICAST_LIST\n", __func__);
-		retval = 0;
-		break;
-
-	default:
-		pr_warning("%s: set unknown OID 0x%08X, size %d\n",
-			 __func__, OID, buf_len);
-	}
-
-	return retval;
-}
-
-/*
- * Response Functions
- */
-
-static int rndis_init_response(int configNr, rndis_init_msg_type *buf)
-{
-	rndis_init_cmplt_type *resp;
-	rndis_resp_t *r;
-	struct rndis_params *params = rndis_per_dev_params + configNr;
-
-	if (!params->dev)
-		return -ENOTSUPP;
-
-	r = rndis_add_response(configNr, sizeof(rndis_init_cmplt_type));
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_init_cmplt_type *)r->buf;
-
-	resp->MessageType = cpu_to_le32(RNDIS_MSG_INIT_C);
-	resp->MessageLength = cpu_to_le32(52);
-	resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
-	resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
-	resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
-	resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
-	resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
-	resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
-	resp->MaxPacketsPerTransfer = cpu_to_le32(1);
-	resp->MaxTransferSize = cpu_to_le32(
-		  params->dev->mtu
-		+ sizeof(struct ethhdr)
-		+ sizeof(struct rndis_packet_msg_type)
-		+ 22);
-	resp->PacketAlignmentFactor = cpu_to_le32(0);
-	resp->AFListOffset = cpu_to_le32(0);
-	resp->AFListSize = cpu_to_le32(0);
-
-	params->resp_avail(params->v);
-	return 0;
-}
-
-static int rndis_query_response(int configNr, rndis_query_msg_type *buf)
-{
-	rndis_query_cmplt_type *resp;
-	rndis_resp_t *r;
-	struct rndis_params *params = rndis_per_dev_params + configNr;
-
-	/* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */
-	if (!params->dev)
-		return -ENOTSUPP;
-
-	/*
-	 * we need more memory:
-	 * gen_ndis_query_resp expects enough space for
-	 * rndis_query_cmplt_type followed by data.
-	 * oid_supported_list is the largest data reply
-	 */
-	r = rndis_add_response(configNr,
-		sizeof(oid_supported_list) + sizeof(rndis_query_cmplt_type));
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_query_cmplt_type *)r->buf;
-
-	resp->MessageType = cpu_to_le32(RNDIS_MSG_QUERY_C);
-	resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
-
-	if (gen_ndis_query_resp(configNr, le32_to_cpu(buf->OID),
-			le32_to_cpu(buf->InformationBufferOffset)
-					+ 8 + (u8 *)buf,
-			le32_to_cpu(buf->InformationBufferLength),
-			r)) {
-		/* OID not supported */
-		resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
-		resp->MessageLength = cpu_to_le32(sizeof *resp);
-		resp->InformationBufferLength = cpu_to_le32(0);
-		resp->InformationBufferOffset = cpu_to_le32(0);
-	} else
-		resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
-
-	params->resp_avail(params->v);
-	return 0;
-}
-
-static int rndis_set_response(int configNr, rndis_set_msg_type *buf)
-{
-	u32 BufLength, BufOffset;
-	rndis_set_cmplt_type *resp;
-	rndis_resp_t *r;
-	struct rndis_params *params = rndis_per_dev_params + configNr;
-
-	r = rndis_add_response(configNr, sizeof(rndis_set_cmplt_type));
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_set_cmplt_type *)r->buf;
-
-	BufLength = le32_to_cpu(buf->InformationBufferLength);
-	BufOffset = le32_to_cpu(buf->InformationBufferOffset);
-
-#ifdef	VERBOSE_DEBUG
-	pr_debug("%s: Length: %d\n", __func__, BufLength);
-	pr_debug("%s: Offset: %d\n", __func__, BufOffset);
-	pr_debug("%s: InfoBuffer: ", __func__);
-
-	for (i = 0; i < BufLength; i++) {
-		pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset));
-	}
-
-	pr_debug("\n");
-#endif
-
-	resp->MessageType = cpu_to_le32(RNDIS_MSG_SET_C);
-	resp->MessageLength = cpu_to_le32(16);
-	resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
-	if (gen_ndis_set_resp(configNr, le32_to_cpu(buf->OID),
-			((u8 *)buf) + 8 + BufOffset, BufLength, r))
-		resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
-	else
-		resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
-
-	params->resp_avail(params->v);
-	return 0;
-}
-
-static int rndis_reset_response(int configNr, rndis_reset_msg_type *buf)
-{
-	rndis_reset_cmplt_type *resp;
-	rndis_resp_t *r;
-	struct rndis_params *params = rndis_per_dev_params + configNr;
-
-	r = rndis_add_response(configNr, sizeof(rndis_reset_cmplt_type));
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_reset_cmplt_type *)r->buf;
-
-	resp->MessageType = cpu_to_le32(RNDIS_MSG_RESET_C);
-	resp->MessageLength = cpu_to_le32(16);
-	resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
-	/* resent information */
-	resp->AddressingReset = cpu_to_le32(1);
-
-	params->resp_avail(params->v);
-	return 0;
-}
-
-static int rndis_keepalive_response(int configNr,
-				    rndis_keepalive_msg_type *buf)
-{
-	rndis_keepalive_cmplt_type *resp;
-	rndis_resp_t *r;
-	struct rndis_params *params = rndis_per_dev_params + configNr;
-
-	/* host "should" check only in RNDIS_DATA_INITIALIZED state */
-
-	r = rndis_add_response(configNr, sizeof(rndis_keepalive_cmplt_type));
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_keepalive_cmplt_type *)r->buf;
-
-	resp->MessageType = cpu_to_le32(RNDIS_MSG_KEEPALIVE_C);
-	resp->MessageLength = cpu_to_le32(16);
-	resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
-	resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
-
-	params->resp_avail(params->v);
-	return 0;
-}
-
-
-/*
- * Device to Host Comunication
- */
-static int rndis_indicate_status_msg(int configNr, u32 status)
-{
-	rndis_indicate_status_msg_type *resp;
-	rndis_resp_t *r;
-	struct rndis_params *params = rndis_per_dev_params + configNr;
-
-	if (params->state == RNDIS_UNINITIALIZED)
-		return -ENOTSUPP;
-
-	r = rndis_add_response(configNr,
-				sizeof(rndis_indicate_status_msg_type));
-	if (!r)
-		return -ENOMEM;
-	resp = (rndis_indicate_status_msg_type *)r->buf;
-
-	resp->MessageType = cpu_to_le32(RNDIS_MSG_INDICATE);
-	resp->MessageLength = cpu_to_le32(20);
-	resp->Status = cpu_to_le32(status);
-	resp->StatusBufferLength = cpu_to_le32(0);
-	resp->StatusBufferOffset = cpu_to_le32(0);
-
-	params->resp_avail(params->v);
-	return 0;
-}
-
-int rndis_signal_connect(int configNr)
-{
-	rndis_per_dev_params[configNr].media_state
-			= RNDIS_MEDIA_STATE_CONNECTED;
-	return rndis_indicate_status_msg(configNr,
-					  RNDIS_STATUS_MEDIA_CONNECT);
-}
-EXPORT_SYMBOL_GPL(rndis_signal_connect);
-
-int rndis_signal_disconnect(int configNr)
-{
-	rndis_per_dev_params[configNr].media_state
-			= RNDIS_MEDIA_STATE_DISCONNECTED;
-	return rndis_indicate_status_msg(configNr,
-					  RNDIS_STATUS_MEDIA_DISCONNECT);
-}
-EXPORT_SYMBOL_GPL(rndis_signal_disconnect);
-
-void rndis_uninit(int configNr)
-{
-	u8 *buf;
-	u32 length;
-
-	if (configNr >= RNDIS_MAX_CONFIGS)
-		return;
-	rndis_per_dev_params[configNr].state = RNDIS_UNINITIALIZED;
-
-	/* drain the response queue */
-	while ((buf = rndis_get_next_response(configNr, &length)))
-		rndis_free_response(configNr, buf);
-}
-EXPORT_SYMBOL_GPL(rndis_uninit);
-
-void rndis_set_host_mac(int configNr, const u8 *addr)
-{
-	rndis_per_dev_params[configNr].host_mac = addr;
-}
-EXPORT_SYMBOL_GPL(rndis_set_host_mac);
-
-/*
- * Message Parser
- */
-int rndis_msg_parser(u8 configNr, u8 *buf)
-{
-	u32 MsgType, MsgLength;
-	__le32 *tmp;
-	struct rndis_params *params;
-
-	if (!buf)
-		return -ENOMEM;
-
-	tmp = (__le32 *)buf;
-	MsgType   = get_unaligned_le32(tmp++);
-	MsgLength = get_unaligned_le32(tmp++);
-
-	if (configNr >= RNDIS_MAX_CONFIGS)
-		return -ENOTSUPP;
-	params = &rndis_per_dev_params[configNr];
-
-	/* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for
-	 * rx/tx statistics and link status, in addition to KEEPALIVE traffic
-	 * and normal HC level polling to see if there's any IN traffic.
-	 */
-
-	/* For USB: responses may take up to 10 seconds */
-	switch (MsgType) {
-	case RNDIS_MSG_INIT:
-		pr_debug("%s: RNDIS_MSG_INIT\n",
-			__func__);
-		params->state = RNDIS_INITIALIZED;
-		return rndis_init_response(configNr,
-					(rndis_init_msg_type *)buf);
-
-	case RNDIS_MSG_HALT:
-		pr_debug("%s: RNDIS_MSG_HALT\n",
-			__func__);
-		params->state = RNDIS_UNINITIALIZED;
-		if (params->dev) {
-			netif_carrier_off(params->dev);
-			netif_stop_queue(params->dev);
-		}
-		return 0;
-
-	case RNDIS_MSG_QUERY:
-		return rndis_query_response(configNr,
-					(rndis_query_msg_type *)buf);
-
-	case RNDIS_MSG_SET:
-		return rndis_set_response(configNr,
-					(rndis_set_msg_type *)buf);
-
-	case RNDIS_MSG_RESET:
-		pr_debug("%s: RNDIS_MSG_RESET\n",
-			__func__);
-		return rndis_reset_response(configNr,
-					(rndis_reset_msg_type *)buf);
-
-	case RNDIS_MSG_KEEPALIVE:
-		/* For USB: host does this every 5 seconds */
-		if (rndis_debug > 1)
-			pr_debug("%s: RNDIS_MSG_KEEPALIVE\n",
-				__func__);
-		return rndis_keepalive_response(configNr,
-						 (rndis_keepalive_msg_type *)
-						 buf);
-
-	default:
-		/* At least Windows XP emits some undefined RNDIS messages.
-		 * In one case those messages seemed to relate to the host
-		 * suspending itself.
-		 */
-		pr_warning("%s: unknown RNDIS message 0x%08X len %d\n",
-			__func__, MsgType, MsgLength);
-		print_hex_dump_bytes(__func__, DUMP_PREFIX_OFFSET,
-				     buf, MsgLength);
-		break;
-	}
-
-	return -ENOTSUPP;
-}
-EXPORT_SYMBOL_GPL(rndis_msg_parser);
-
-int rndis_register(void (*resp_avail)(void *v), void *v)
-{
-	u8 i;
-
-	if (!resp_avail)
-		return -EINVAL;
-
-	for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
-		if (!rndis_per_dev_params[i].used) {
-			rndis_per_dev_params[i].used = 1;
-			rndis_per_dev_params[i].resp_avail = resp_avail;
-			rndis_per_dev_params[i].v = v;
-			pr_debug("%s: configNr = %d\n", __func__, i);
-			return i;
-		}
-	}
-	pr_debug("failed\n");
-
-	return -ENODEV;
-}
-EXPORT_SYMBOL_GPL(rndis_register);
-
-void rndis_deregister(int configNr)
-{
-	pr_debug("%s:\n", __func__);
-
-	if (configNr >= RNDIS_MAX_CONFIGS) return;
-	rndis_per_dev_params[configNr].used = 0;
-}
-EXPORT_SYMBOL_GPL(rndis_deregister);
-
-int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter)
-{
-	pr_debug("%s:\n", __func__);
-	if (!dev)
-		return -EINVAL;
-	if (configNr >= RNDIS_MAX_CONFIGS) return -1;
-
-	rndis_per_dev_params[configNr].dev = dev;
-	rndis_per_dev_params[configNr].filter = cdc_filter;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rndis_set_param_dev);
-
-int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr)
-{
-	pr_debug("%s:\n", __func__);
-	if (!vendorDescr) return -1;
-	if (configNr >= RNDIS_MAX_CONFIGS) return -1;
-
-	rndis_per_dev_params[configNr].vendorID = vendorID;
-	rndis_per_dev_params[configNr].vendorDescr = vendorDescr;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rndis_set_param_vendor);
-
-int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed)
-{
-	pr_debug("%s: %u %u\n", __func__, medium, speed);
-	if (configNr >= RNDIS_MAX_CONFIGS) return -1;
-
-	rndis_per_dev_params[configNr].medium = medium;
-	rndis_per_dev_params[configNr].speed = speed;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rndis_set_param_medium);
-
-void rndis_add_hdr(struct sk_buff *skb)
-{
-	struct rndis_packet_msg_type *header;
-
-	if (!skb)
-		return;
-	header = (void *)skb_push(skb, sizeof(*header));
-	memset(header, 0, sizeof *header);
-	header->MessageType = cpu_to_le32(RNDIS_MSG_PACKET);
-	header->MessageLength = cpu_to_le32(skb->len);
-	header->DataOffset = cpu_to_le32(36);
-	header->DataLength = cpu_to_le32(skb->len - sizeof(*header));
-}
-EXPORT_SYMBOL_GPL(rndis_add_hdr);
-
-void rndis_free_response(int configNr, u8 *buf)
-{
-	rndis_resp_t *r;
-	struct list_head *act, *tmp;
-
-	list_for_each_safe(act, tmp,
-			&(rndis_per_dev_params[configNr].resp_queue))
-	{
-		r = list_entry(act, rndis_resp_t, list);
-		if (r && r->buf == buf) {
-			list_del(&r->list);
-			kfree(r);
-		}
-	}
-}
-EXPORT_SYMBOL_GPL(rndis_free_response);
-
-u8 *rndis_get_next_response(int configNr, u32 *length)
-{
-	rndis_resp_t *r;
-	struct list_head *act, *tmp;
-
-	if (!length) return NULL;
-
-	list_for_each_safe(act, tmp,
-			&(rndis_per_dev_params[configNr].resp_queue))
-	{
-		r = list_entry(act, rndis_resp_t, list);
-		if (!r->send) {
-			r->send = 1;
-			*length = r->length;
-			return r->buf;
-		}
-	}
-
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(rndis_get_next_response);
-
-static rndis_resp_t *rndis_add_response(int configNr, u32 length)
-{
-	rndis_resp_t *r;
-
-	/* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */
-	r = kmalloc(sizeof(rndis_resp_t) + length, GFP_ATOMIC);
-	if (!r) return NULL;
-
-	r->buf = (u8 *)(r + 1);
-	r->length = length;
-	r->send = 0;
-
-	list_add_tail(&r->list,
-		&(rndis_per_dev_params[configNr].resp_queue));
-	return r;
-}
-
-int rndis_rm_hdr(struct gether *port,
-			struct sk_buff *skb,
-			struct sk_buff_head *list)
-{
-	/* tmp points to a struct rndis_packet_msg_type */
-	__le32 *tmp = (void *)skb->data;
-
-	/* MessageType, MessageLength */
-	if (cpu_to_le32(RNDIS_MSG_PACKET)
-			!= get_unaligned(tmp++)) {
-		dev_kfree_skb_any(skb);
-		return -EINVAL;
-	}
-	tmp++;
-
-	/* DataOffset, DataLength */
-	if (!skb_pull(skb, get_unaligned_le32(tmp++) + 8)) {
-		dev_kfree_skb_any(skb);
-		return -EOVERFLOW;
-	}
-	skb_trim(skb, get_unaligned_le32(tmp++));
-
-	skb_queue_tail(list, skb);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rndis_rm_hdr);
-
-#ifdef CONFIG_USB_GADGET_DEBUG_FILES
-
-static int rndis_proc_show(struct seq_file *m, void *v)
-{
-	rndis_params *param = m->private;
-
-	seq_printf(m,
-			 "Config Nr. %d\n"
-			 "used      : %s\n"
-			 "state     : %s\n"
-			 "medium    : 0x%08X\n"
-			 "speed     : %d\n"
-			 "cable     : %s\n"
-			 "vendor ID : 0x%08X\n"
-			 "vendor    : %s\n",
-			 param->confignr, (param->used) ? "y" : "n",
-			 ({ char *s = "?";
-			 switch (param->state) {
-			 case RNDIS_UNINITIALIZED:
-				s = "RNDIS_UNINITIALIZED"; break;
-			 case RNDIS_INITIALIZED:
-				s = "RNDIS_INITIALIZED"; break;
-			 case RNDIS_DATA_INITIALIZED:
-				s = "RNDIS_DATA_INITIALIZED"; break;
-			} s; }),
-			 param->medium,
-			 (param->media_state) ? 0 : param->speed*100,
-			 (param->media_state) ? "disconnected" : "connected",
-			 param->vendorID, param->vendorDescr);
-	return 0;
-}
-
-static ssize_t rndis_proc_write(struct file *file, const char __user *buffer,
-				size_t count, loff_t *ppos)
-{
-	rndis_params *p = PDE_DATA(file_inode(file));
-	u32 speed = 0;
-	int i, fl_speed = 0;
-
-	for (i = 0; i < count; i++) {
-		char c;
-		if (get_user(c, buffer))
-			return -EFAULT;
-		switch (c) {
-		case '0':
-		case '1':
-		case '2':
-		case '3':
-		case '4':
-		case '5':
-		case '6':
-		case '7':
-		case '8':
-		case '9':
-			fl_speed = 1;
-			speed = speed * 10 + c - '0';
-			break;
-		case 'C':
-		case 'c':
-			rndis_signal_connect(p->confignr);
-			break;
-		case 'D':
-		case 'd':
-			rndis_signal_disconnect(p->confignr);
-			break;
-		default:
-			if (fl_speed) p->speed = speed;
-			else pr_debug("%c is not valid\n", c);
-			break;
-		}
-
-		buffer++;
-	}
-
-	return count;
-}
-
-static int rndis_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, rndis_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations rndis_proc_fops = {
-	.owner		= THIS_MODULE,
-	.open		= rndis_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-	.write		= rndis_proc_write,
-};
-
-#define	NAME_TEMPLATE "driver/rndis-%03d"
-
-static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS];
-
-#endif /* CONFIG_USB_GADGET_DEBUG_FILES */
-
-
-int rndis_init(void)
-{
-	u8 i;
-
-	for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
-#ifdef	CONFIG_USB_GADGET_DEBUG_FILES
-		char name [20];
-
-		sprintf(name, NAME_TEMPLATE, i);
-		rndis_connect_state[i] = proc_create_data(name, 0660, NULL,
-					&rndis_proc_fops,
-					(void *)(rndis_per_dev_params + i));
-		if (!rndis_connect_state[i]) {
-			pr_debug("%s: remove entries", __func__);
-			while (i) {
-				sprintf(name, NAME_TEMPLATE, --i);
-				remove_proc_entry(name, NULL);
-			}
-			pr_debug("\n");
-			return -EIO;
-		}
-#endif
-		rndis_per_dev_params[i].confignr = i;
-		rndis_per_dev_params[i].used = 0;
-		rndis_per_dev_params[i].state = RNDIS_UNINITIALIZED;
-		rndis_per_dev_params[i].media_state
-				= RNDIS_MEDIA_STATE_DISCONNECTED;
-		INIT_LIST_HEAD(&(rndis_per_dev_params[i].resp_queue));
-	}
-
-	return 0;
-}
-
-void rndis_exit(void)
-{
-#ifdef CONFIG_USB_GADGET_DEBUG_FILES
-	u8 i;
-	char name[20];
-
-	for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
-		sprintf(name, NAME_TEMPLATE, i);
-		remove_proc_entry(name, NULL);
-	}
-#endif
-}
-